[A look at the companies scrambling to get into the mobile payments market.]

By Pete Barlas (Investor's Business Daily) -- "In the past few months, unknown companies such as ProPay and Sage North America have launched mobile payment services to compete with only slightly more established players, including BilltoMobile, Boku, ClairMail, Obopay and Syniverse Technologies. All want a piece of the fast-growing mobile commerce market."